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Browse by Date |
| Patent Number |
Title Of Patent |
Date Issued |
| 4933502 |
Process for the preparation of nonionic surfactants |
Jun. 12, 1990 |
| 4933501 |
Process for the preparation of terpene peroxides and peroxides thus obtained |
Jun. 12, 1990 |
| 4933500 |
Process for the preparation of citral |
Jun. 12, 1990 |
| 4933499 |
Process for purification of alkenyl aromatic compounds containing a benzaldehyde impurity |
Jun. 12, 1990 |
| 4933498 |
Preparation of trialkoxybenzaldehydes |
Jun. 12, 1990 |
| 4933497 |
Preparation of hydroxybenzaldehydes by hydrocarbonylation of halophenols |
Jun. 12, 1990 |
| 4933496 |
Process for producing an aqueous 4-hydroxyacetophenone (4-hap) which is stable at room temperatu... |
Jun. 12, 1990 |
| 4933495 |
Process for the production of 3-mono or 3,5 dihalogenated 4-acetoxystyrene, its polymerization, ... |
Jun. 12, 1990 |
| 4933494 |
Process for purification of dihydroxydiphenylsulfone |
Jun. 12, 1990 |
| 4933493 |
Intermediates for the preparation of 4-phenyl-1,3-benzodiazepines |
Jun. 12, 1990 |
| 4933492 |
Purification of crude isophthalic acid |
Jun. 12, 1990 |
| 4933491 |
Method for purifying a crude naphthalene dicarboxylic acid |
Jun. 12, 1990 |
| 4933490 |
Process for the preparation of L(-)carnitine hydrochloride and of L(-)carnitine inner salt |
Jun. 12, 1990 |
| 4933489 |
Process for the manufacture of 6-chloro-1,4-diacetoxy-2,3-dimethoxynaphthalene |
Jun. 12, 1990 |
| 4933488 |
Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates usef... |
Jun. 12, 1990 |
| 4933487 |
Preparation of 4-pentenates |
Jun. 12, 1990 |
| 4933486 |
Process for the preparation of 4-halo-3-oxo-2-alkoxyaminobutyric esters |
Jun. 12, 1990 |
| 4933485 |
Lubricating oil compositions containing very long chain alkylphenyl poly (oxyalkylene) aminocarb... |
Jun. 12, 1990 |
| 4933484 |
Method for reducing the concentration of acrylonitrile in an aqueous-acrylonitrile vapor stream |
Jun. 12, 1990 |
| 4933483 |
Manufacture of 5-cyanovaleric acid and its esters |
Jun. 12, 1990 |
| 4933482 |
Process for preparing optically active alcohol |
Jun. 12, 1990 |
| 4933481 |
Synthesis of organic polysulphides |
Jun. 12, 1990 |
| 4933480 |
2-fluoro-4-halo-5-marcapto-phenyl-hydrazines |
Jun. 12, 1990 |
| 4933479 |
Crosslinked polyphosphazenes as piezoelectric materials |
Jun. 12, 1990 |
| 4933478 |
Process for the manufacture of aliphatylphosphinic acid derivatives |
Jun. 12, 1990 |
| 4933477 |
Preparation of phenyl-substituted epoxides |
Jun. 12, 1990 |
| 4933476 |
Process for the preparation of novel oxolabdanes |
Jun. 12, 1990 |
| 4933475 |
Pharmacologically active 4-[2-hydroxy-4-(substituted)phenyl]naphthalen-2(1H)-ones and 2-ols, ... |
Jun. 12, 1990 |
| 4933474 |
Process for the preparation of macrolide compounds |
Jun. 12, 1990 |
| 4933473 |
Process for producing neopentyl glycol |
Jun. 12, 1990 |
| 4933472 |
Substituted aminomethylenebis(phosphonic acid) derivatives |
Jun. 12, 1990 |
| 4933471 |
Xanthene dyes |
Jun. 12, 1990 |
| 4933470 |
Method of synthesis of vicinal diamines |
Jun. 12, 1990 |
| 4933469 |
Method for preparing oxybisphthalimides |
Jun. 12, 1990 |
| 4933468 |
Preparation of amide-imides |
Jun. 12, 1990 |
| 4933467 |
Preparation of imides |
Jun. 12, 1990 |
| 4933466 |
Preparation of imides |
Jun. 12, 1990 |
| 4933465 |
Silver halide color photographic material |
Jun. 12, 1990 |
| 4933464 |
Process for forming 3-phenylisoxazolines and 3-phenylisoxazoles |
Jun. 12, 1990 |
| 4933463 |
Polymerizable pyrrolidonyl oxazoline monomers, homopolymers and copolymers |
Jun. 12, 1990 |
| 4933462 |
Synthesis of 3-(2-hydroxyethyl)-2-oxazolidinones |
Jun. 12, 1990 |
| 4933461 |
Preparation of a piperidinylcyclopentylheptenoic acid derivative |
Jun. 12, 1990 |
| 4933460 |
Piperdine substituted phenyl hydrazones |
Jun. 12, 1990 |
| 4933459 |
Pharmaceuticals containing acylated benzilic acid derivatives for influencing the tone of the ur... |
Jun. 12, 1990 |
| 4933458 |
Certain gastric acid secretion inhibiting sulfoxides |
Jun. 12, 1990 |
| 4933457 |
Preparation of 5,8,13,14-tetrahydrobenz[5,6]isoindolo[2,1-b]isoquinolin-8,13-dione derivativ... |
Jun. 12, 1990 |
| 4933456 |
Dipyridoxyl phosphate NMRI contrast agents |
Jun. 12, 1990 |
| 4933455 |
Lithiated bipyridyl compounds |
Jun. 12, 1990 |
| 4933454 |
Acylureidoaminothiazolyl derivatives and a method for their preparation |
Jun. 12, 1990 |
| 4933453 |
3-[4-(1-Substituted-4-piperazinyl)butyl]-4-thiazolidinone compounds |
Jun. 12, 1990 |
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